Home / 878,941,896.76-1,212,941,146.17-477,055,789.60

Finding the Fourth Proportional to 878,941,896.76, 1,212,941,146.17 and 477,055,789.60

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Solution

The fourth proportional to 878,941,896.76, 1,212,941,146.17 and 477,055,789.60 is: 658,337,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,941,896.76 : 1,212,941,146.17 = 477,055,789.60 : x
  2. Step 2: Convert to fraction form
    878,941,896.76/1,212,941,146.17 = 477,055,789.60/x
  3. Step 3: Cross multiply
    878,941,896.76x = 1,212,941,146.17 × 477,055,789.60
  4. Step 4: Simplify right side
    878,941,896.76x = 578,640,596,224,458,368
  5. Step 5: Solve for x
    x = 578,640,596,224,458,368/878,941,896.76
  6. Step 6: Final answer
    x = 658,337,710.78

Related Problems

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Half scale
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Double scale
Find fourth proportional to 878,941,897.76, 1,212,941,147.55 and 477,055,790.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.